https://ask.libreoffice.org/en/question/83243/problem-creating-an-auto-value-field-in-a-split-database/

https://ask.libreoffice.org/en/question/181067/how-to-set-a-default-value-for-a-field/

In this video show on how to copy data from LibreOffice Calc and paste it to LibreOffice Base to create a table. Sometime, when we paste the data from LibreOffice Calc to LibreOffice Base, the data type is wrong. For example field with date type; when we paste, it may be paste in general number type - not the date type, so we have an error. In this video, Linda (thanks to her for sharing the video) show how to re-correct the data type. 

https://ugetfix.com/ask/how-to-fix-vcruntime140-dll-is-missing-error-on-windows/

https://stackoverflow.com/questions/6865538/solving-a-communications-link-failure-with-jdbc-and-mysql

https://www.lifewire.com/how-to-install-mysql-windows-10-4584021